Wavetrac Differential - BMW / E8x / E9x / 335i / 135iWavetrac diffs are state of the art helical gear differentials designed, developed, and manufactured in the USA by Autotech Driveline. The Wavetrac Differential is the only torque biasing differential on the market with patented technology that mitigates wheelspin when an unloaded wheel condition arises. During zero axle load conditions, the Wavetrac cam device acts to create internal load, maintaining drive on the gripping wheel instead of acting

From a worldwide R&D network with 2

This cat-back exhaust system is constructed of 2-1/2 IN mandrel-bent 304 stainless steel tubing for maximum strength and durability

Sealing Washer 10x13

With its unique Mesh design

Each kit is thoroughly researched and accurately packaged to make sure all of the components are exactly specified for the vehicle

This is the largest intake available

the RS500 Tuning Package brings out the potential of the LO500P Turbocharger

Increased spring rates / Decreased body roll F32: 50% increase in spring stiffness

This clamp will only fit 3

Kit includes Black Anodized CNC machined Billet 6061-T6 Aluminum Lower Control Arms and Gun Drilled 2024 Aluminum Trailing Links

Offsets: et16 / et20 / et35 / et42 / et45

By increasing the core size and useable area of the core with FDS technology